Music-sheet for manually and mechanically operated musical instruments.



'0. A. AHLSTROM. MUSIC SHEET FOR MANUALLY AND MEOHANIGALLY OPERATED MUSICAL INSTRUMENTS.

APlLIOATION FILED D30. 19, 1912.

Iacented Dec. 22, 1914.

00H 00H U 02% oofiU 0000 000000 0000 0000000000000000 0000000000 0000 000000 0000000000 000000 0000 000000 OOH OCH OCH OOOOOOOOOOOOOOOOO OOOAMMVOOD OOHU ooooooooooooooooov OO0OOOOOOOOOOOOOOOOOOOOOQ0000 MUSIC-SHEET FOR A inti' wp yiTl IHSTRUMEN"1S.

Application filed December 19, 191:2.

To all when it may concern Be it known that I, CrrAnLns A. Ann STROBI, a citizen of the Jnited States, residing at the city of Jamestown, in the county of Chautaumia and State of New York, have invented certain new and useful Improvements in Blusic-Shcets for Main ually and Mechanically Operated ll lusical Instruments, of which the following. taken in connection with the accompanying drawlna's -is a specification.

The invention relates to perforated music sheets for player pianos and other mechanically actuated musical instruments, and the object of the improvement is to provide a. novel yet simple manner of perforation of the music sheet by which the melody notes or other notes which it is desired to accentuate are distinctly marked by inir-zed-styles t perforations'i'n each melody note; and the invention consists in the manner of perforating the music sheet as shown in this succiiication and the accompanying drawing and pointed out in the claims.

In the drawing a plan View of a portion of the music sheet of a player piano is shown in position upon the tracker bar, showing m manner of perforation of the music sheet in order to indicate the notes to be accented.

The numeral 1 designates the tracker bar which has the series of air holes extending therethrough in the usual manner.

The numeral 3 desianates the music sheet in which the perforations for the ditl'erent notes consist of one or more round openings, which are designated bv the nun eral 4:. This manner of perforating the music sheets so as to oincide with the air holes 2 of the tracker bar is highly preferable since the perforations 4 may he placed a slight distance apart without interfering with the continuation of the musical tone or readerinc; of the comnosition, and yet allowing connection of the music sheet between the holes. which forms a strengthening bridge therebetween, thus greatly strenc'thenin and prolonging; the life of the music sheet.

in order to give the best rendering of he musical con'iposition it is necessary for performer to have the notes which carr the melody the composition plainly indicated so that there can he no mistake as to their arrangement so that the will automatically j 'ceiye salt. arrangement Specification of Letters Patent.

Patented Dec. 22 1914.

Serial No. 737,589.

and the performer can musically phrase or ot the perforations r of the music sheet in a continuous slot, which slot is designated by the numeral 5. in. the case of a short note with four perforations or less than that number, the entire note is formed in a slot and is designated by the numeral 6. Special notes? may be accented in the accompaniment in the same manner as shown in the melody. T 1e plainness of this simple method of indicating the melody notes or other notes to be accented is clearly shown in the drawing which drawing is a reproduction of a portion of th piano solo the Traumerei, by Schumann, and the melody notes are made perfectly plain at a glance so that an exceedingly accurate rendering may be easily attained by the performer on the instrument. It is obvious that this method of indicating the accented notes or melody is very simple and easy 0t attainment in the manufacture of the music sheet, since it consists in simpl; prolonging the opening 4 for the required number of holes, which is preferably tour in notes of that length; the uniformity in the length of the slots 5 or 7 aiding in readily dis tina uishingthe notes to be accented.

claim as new- 1. A music sheet for .anually and mechanically operated musical instruments having a. series of equal size perfoations with bridging therehctween for each of the notes exceptthose which are to he accented. and the accent notes having; a short slot of the same width as said equal size perforations and at the beginning 0t said series of said nerilorations in saic accent notes.

2. BL perforated music sheet for manually and mechanically operated musical instruments having a series of round perfo ations of the same size and equally spaced tor the unaccented notes. said perforations having al length short slot at the beginning *1 eries for each melody note where th of said series will permit.

a. A. perforated music sheet For manually and mcchzmically operated musical instruments having a series of equal size and and-a series of bridged perforations for each of a plurality of theme notes, each said theme series having a thei'ne distinguishing perforation of different appearance from perforations of the accompaniment series.

In testimony whereof I have aiiixed my signature in the presence of two witnesses.

CHARLES A. AHLSTROM.v Witnesses: HULDA A. SANDBERG, CLAYTON M. JONES. 

